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Quantum coherent supercomputing.
Backed by Y Combinator · a16z (portfolio)
Rigetti Computing is building the world’s most powerful computers to help solve humanity’s most pressing and important problems. These systems will perform computations that today’s fastest supercomputers are incapable of — unlocking entirely new classes of problems and offering a direct path to solutions. We are scientists, engineers, builders, and visionaries. We believe quantum computing is going to significantly affect health care, how we treat disease, how we generate energy, and how we feed humanity. Rigetti is the only company deploying full-stack solutions for hybrid classical/quantum computing. Our 19-qubit quantum computer is available online through our Forest platform, and the first commercially useful applications are already under exploration. We were founded in 2013 by Chad Rigetti, and are located Berkeley and Fremont, California.
Rigetti Computing offers practical quantum computing delivered over the cloud, featuring a 9-qubit QPU that is ready to ship. The site highlights its quantum hardware stack and ongoing research/algorithms in quantum computing. It positions Rigetti as providing accessible quantum hardware and related software/tools for researchers and users.
Rigetti provides a 9-qubit quantum processing unit (QPU) housed inside a dilution refrigerator with a multi-stage hardware stack including a dilution refrigerator, signal chain, temperature stages, mixing chamber, and the QPU itself. The QPU is a superconducting quantum integrated circuit designed to be shipped ready-to-use, enabling users to run quantum experiments and computations via Rigetti’s cloud interfaces and software stack (e.g., QCS, pyQuil, Quil). The site also showcases real-time quantum error correction research, fast CZ gates, and quantum optimization algorithms as part of its offerings and R&D output.
Who it’s for: Researchers and developers seeking hands-on access to quantum hardware and software for quantum computing research, algorithm development, and experimentation.
Active research and development; product shipping (QPU ready to ship); ongoing publications and demonstrations; multiple named quantum algorithms and hardware features highlighted.
I build quantum computers. Founder of Rigetti Computing (YC S14, NASDAQ: RGTI). ex-IBM. Yale Ph.D.
How Rigetti Computing’s homepage introduced itself over the years — each line is the page title the web actually saw, linked to that moment’s archived capture.
Building the first practical, integrated quantum computer.
AI that operates quantum computers for scientific discovery
